Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 1176 |
9 | 10164 |
10 | 58920 |
11 | 277365 |
12 | 3363580 |
13 | 47567806 |
14 | 519759604 |
15 | 4591587455 |
16 | 51017687280 |
17 | 786120055400 |
18 | 12187597925136 |
19 | 165128862881769 |
20 | 2261843835692340 |
21 | 36940778814100210 |
22 | 678763188831800380 |
23 | 12143893591131411571 |
24 | 211404290379223149384 |
[1,0,0,0,4,10,20,35,1176,10164,58920,277365, 3363580,47567806,519759604,4591587455,51017687280, 786120055400,12187597925136,165128862881769, 2261843835692340,36940778814100210, 678763188831800380,12143893591131411571, 211404290379223149384] |